In math homework, reading is to write numbers in Chinese characters, and writing is to express the read numbers in numbers.

Method of reading:

First, reading rules

According to the four-digit classification principle, China's reading rules are:

1, numbers within four digits, read from the high places in numerical order.

2. Numbers with more than four digits should be graded according to four digits from right to left, and then read from the highest level to one billion, ten thousand and one level in turn. Read the numbers in each level and their level names. The number in the billion level is read according to the reading method of the single-level median, and then one is added? The word "billion"; The numbers in the ten thousand grades should be read according to the reading method of the middle numbers at all levels, and then the word "ten thousand" should be added at the back;

3. No matter how many zeros are at the end of each level, don't read them; There is a "0" or several "0" on other numbers, all of which are read-only zeros.

Second, the main points of induction

1, reading, starting from a high position and reading step by step. When reading 100 million and 10 thousand levels, read according to the reading method of each level, only

Read a word "100 million" or "10 thousand" after it.

2. There are 1 zeros in the middle of the number, or there are several zeros in succession, and only one zero is read.

Don't look at the 0 at the end of each level.